In 2018, LEGO released 4 Ideas sets in the subtheme Licensed, all of these sets have been retired. For that year, the total price of all retail sets cost $355, today those sets are valued around $922, a growth of 160%.
Most valuable 2018 LEGO Ideas set
21311 Voltron $489.69
Highest growth 2018 Ideas set
21314 TRON Legacy +437.93%
Most owned 2018 Ideas set
21313 Ship in a Bottle
4 sets

21311 Voltron

Theme / Subtheme Ideas / Licensed
Year 2018
Pieces 2,321
Availability Retired
21311 LEGO Ideas Voltron
Retail $179.99
Value $489.69
Growth  +172.1%
Annual growth 15.8%

21313 Ship in a Bottle

Theme Ideas
Year 2018
Pieces 962
Availability Retired
21313 LEGO Ideas Ship in a Bottle
Retail $69.99
Value $149.99
Growth  +114.3%
Annual growth 11.9%

21314 TRON Legacy

Theme / Subtheme Ideas / Licensed
Year 2018
Pieces / Minifigs 230 / 3
Availability Retired
21314 LEGO Ideas TRON Legacy
Retail $34.99
Value $188.22
Growth  +437.9%
Annual growth 27.9%

21315 Pop-Up Book

Theme Ideas
Year 2018
Pieces / Minifigs 859 / 5
Availability Retired
21315 LEGO Ideas Pop-Up Book
Retail $69.99
Value $94.27
Growth  +34.7%
Annual growth 6.8%